Fix CI pipeline

.scalafmt.conf

@@ -31,3 +31,9 @@ project.git = true
 project.excludeFilters = [
    ".*-scala-3.*"
 ]
+
+fileOverride {
+  "glob:**/scala-3/**" {
+    runner.dialect = scala3
+  }
+}

build.sbt

@@ -25,18 +25,19 @@ ThisBuild / crossScalaVersions := Seq(scala212, scala213, "3.3.1")
 ThisBuild / scalaVersion       := scala213 // the default Scala
 
 val Version = new {
-  val catsEffect       = "3.5.2"
-  val catsLaws         = "2.9.0"
-  val discipline       = "1.5.1"
-  val expecty          = "0.16.0"
-  val fs2              = "3.5.0"
-  val junit            = "4.13.2"
-  val portableReflect  = "1.1.2"
-  val scalaJavaTime    = "2.4.0"
-  val scalacheck       = "1.17.0"
-  val scalajsMacroTask = "1.1.1"
-  val scalajsStubs     = "1.1.0"
-  val testInterface    = "1.0"
+  val catsEffect             = "3.5.2"
+  val catsLaws               = "2.9.0"
+  val discipline             = "1.5.1"
+  val expecty                = "0.16.0"
+  val fs2                    = "3.5.0"
+  val junit                  = "4.13.2"
+  val portableReflect        = "1.1.2"
+  val scalaJavaTime          = "2.4.0"
+  val scalacheck             = "1.17.0"
+  val scalajsMacroTask       = "1.1.1"
+  val scalajsStubs           = "1.1.0"
+  val testInterface          = "1.0"
+  val scalacCompatAnnotation = "0.1.4"
 }
 
 lazy val root = tlCrossRootProject.aggregate(core,
@@ -55,7 +56,8 @@ lazy val core = crossProject(JVMPlatform, JSPlatform, NativePlatform)
       "org.typelevel"        %%% "cats-effect" % Version.catsEffect,
       "com.eed3si9n.expecty" %%% "expecty"     % Version.expecty,
       // https://github.com/portable-scala/portable-scala-reflect/issues/23
-      "org.portable-scala" %%% "portable-scala-reflect" % Version.portableReflect cross CrossVersion.for3Use2_13
+      "org.portable-scala" %%% "portable-scala-reflect" % Version.portableReflect cross CrossVersion.for3Use2_13,
+      "org.typelevel" %% "scalac-compat-annotation" % Version.scalacCompatAnnotation
     )
   )
 

modules/core/js/src/main/scala/org/junit/runner/RunWith.scala

@@ -1,6 +1,9 @@
 package org.junit.runner
 
+import org.typelevel.scalaccompat.annotation.unused
+
 /**
  * Stub used for cross-compilation
  */
-class RunWith[T](cls: Class[T]) extends scala.annotation.StaticAnnotation
+class RunWith[T](@unused cls: Class[T])
+    extends scala.annotation.StaticAnnotation

modules/core/js/src/main/scala/weaver/PlatformCompat.scala

@@ -1,8 +1,8 @@
 package weaver
-
+import org.typelevel.scalaccompat.annotation.unused
 private[weaver] object PlatformCompat {
   val platform: Platform = Platform.JS
 
-  def getClassLoader(clazz: java.lang.Class[_]): ClassLoader =
+  def getClassLoader(@unused clazz: java.lang.Class[_]): ClassLoader =
     new ClassLoader() {}
 }

modules/core/jvm/src/main/scala/weaver/junit/WeaverRunner.scala

@@ -7,13 +7,11 @@ import weaver.internals.Reflection
 import org.junit.runner.Description
 import org.junit.runner.notification.RunNotifier
 
-class WeaverRunner(cls: Class[_], dummy: Boolean)
+class WeaverRunner(cls: Class[_])
     extends org.junit.runner.Runner {
 
   type F[A] = Any
 
-  def this(cls: Class[_]) = this(cls, true)
-
   lazy val suite: RunnableSuite[F] = {
     Reflection.loadRunnableSuite(cls.getName(), getClass().getClassLoader())
   }

modules/core/native/src/main/scala/org/junit/runner/RunWith.scala

@@ -1,6 +1,8 @@
 package org.junit.runner
+import org.typelevel.scalaccompat.annotation.unused
 
 /**
  * Stub used for cross-compilation
  */
-class RunWith[T](cls: Class[T]) extends scala.annotation.StaticAnnotation
+class RunWith[T](@unused cls: Class[T])
+    extends scala.annotation.StaticAnnotation

modules/core/native/src/main/scala/weaver/PlatformCompat.scala

@@ -1,8 +1,9 @@
 package weaver
+import org.typelevel.scalaccompat.annotation.unused
 
 private[weaver] object PlatformCompat {
   val platform: Platform = Platform.Native
 
-  def getClassLoader(clazz: java.lang.Class[_]): ClassLoader =
+  def getClassLoader(@unused clazz: java.lang.Class[_]): ClassLoader =
     new ClassLoader() {}
 }

modules/core/shared/src/main/scala-3/weaver/Expect.scala

@@ -1,8 +1,5 @@
 package weaver
 
-import cats.data.{ NonEmptyList, ValidatedNel }
-import cats.syntax.all._
-
 import com.eed3si9n.expecty._
 import internals._
 

modules/core/shared/src/main/scala/weaver/Test.scala

@@ -40,6 +40,6 @@ object Test {
 
   def apply[F[_]](name: String, f: F[Expectations])(
       implicit F: EffectCompat[F]
-  ): F[TestOutcome] = apply(name, (_: Log[F]) => f)
+  ): F[TestOutcome] = apply[F](name, (_: Log[F]) => f)
 
 }

modules/core/shared/src/main/scala/weaver/suites.scala

@@ -7,7 +7,6 @@ import cats.effect.{ Async, Resource }
 import cats.syntax.all._
 
 import fs2.Stream
-import org.junit.runner.RunWith
 import org.portablescala.reflect.annotation.EnableReflectiveInstantiation
 
 // Just a non-parameterized marker trait to help SBT's test detection logic.
@@ -60,7 +59,6 @@ object EffectSuite {
 
 }
 
-@RunWith(classOf[weaver.junit.WeaverRunner])
 abstract class RunnableSuite[F[_]] extends EffectSuite[F] {
   implicit protected def effectCompat: UnsafeRun[EffectType]
   private[weaver] def getEffectCompat: UnsafeRun[EffectType] = effectCompat
@@ -131,13 +129,13 @@ abstract class MutableFSuite[F[_]] extends RunnableSuite[F]  {
     }
 
   def pureTest(name: TestName)(run : => Expectations) :  Unit = registerTest(name)(_ => Test(name.name, effectCompat.effect.delay(run)))
-  def loggedTest(name: TestName)(run: Log[F] => F[Expectations]) : Unit = registerTest(name)(_ => Test(name.name, log => run(log)))
+  def loggedTest(name: TestName)(run: Log[F] => F[Expectations]) : Unit = registerTest(name)(_ => Test[F](name.name, log => run(log)))
   def test(name: TestName) : PartiallyAppliedTest = new PartiallyAppliedTest(name)
 
   class PartiallyAppliedTest(name : TestName) {
     def apply(run: => F[Expectations]) : Unit = registerTest(name)(_ => Test(name.name, run))
     def apply(run : Res => F[Expectations]) : Unit = registerTest(name)(res => Test(name.name, run(res)))
-    def apply(run : (Res, Log[F]) => F[Expectations]) : Unit = registerTest(name)(res => Test(name.name, log => run(res, log)))
+    def apply(run : (Res, Log[F]) => F[Expectations]) : Unit = registerTest(name)(res => Test[F](name.name, log => run(res, log)))
 
     // this alias helps using pattern matching on `Res`
     def usingRes(run : Res => F[Expectations]) : Unit = apply(run)

modules/framework-cats/jvm/src/test/scala/MetaJVM.scala

@@ -132,7 +132,7 @@ object MetaJVM {
     }
   }
 
-  abstract class LazyAccessSequential(global: GlobalRead, index: Int)
+  abstract class LazyAccessSequential(global: GlobalRead)
       extends IOSuite {
     type Res = LazyState
     def sharedResource: Resource[IO, Res] = {
@@ -157,10 +157,10 @@ object MetaJVM {
 
   // Using sleeps to force sequential runs of suites
   class LazyAccessSequential0(global: GlobalRead)
-      extends LazyAccessSequential(global, 0)
+      extends LazyAccessSequential(global)
   class LazyAccessSequential1(global: GlobalRead)
-      extends LazyAccessSequential(global, 1)
+      extends LazyAccessSequential(global)
   class LazyAccessSequential2(global: GlobalRead)
-      extends LazyAccessSequential(global, 2)
+      extends LazyAccessSequential(global)
 
 }

modules/framework-cats/shared/src/test/scala/Meta.scala

@@ -14,7 +14,7 @@ object Meta {
 
   object Boom extends Error("Boom") with scala.util.control.NoStackTrace
 
-  @nowarn("cat=w-flag-dead-code")
+  @nowarn("msg=dead code following this construct")
   object CrashingSuite extends SimpleIOSuite {
     throw Boom
   }
@@ -102,7 +102,7 @@ object Meta {
     override implicit protected def effectCompat: UnsafeRun[IO] =
       SetTimeUnsafeRun
 
-    loggedTest("erroring with causes") { log =>
+    loggedTest("erroring with causes") { _ =>
       throw CustomException(
         "surfaced error",
         CustomException("first cause",

modules/framework/js-native/src/main/scala/DogFoodCompat.scala

@@ -4,6 +4,7 @@ package framework
 import cats.data.Chain
 import cats.effect.Resource
 import cats.syntax.all._
+import org.typelevel.scalaccompat.annotation.unused
 
 private[weaver] trait DogFoodCompat[F[_]] { self: DogFood[F] =>
 
@@ -15,7 +16,7 @@ private[weaver] trait DogFoodCompat[F[_]] { self: DogFood[F] =>
       runner: WeaverRunner[F],
       eventHandler: sbt.testing.EventHandler,
       logger: sbt.testing.Logger,
-      maxParallelism: Int)(tasks: List[sbt.testing.Task]): F[Unit] = {
+      @unused maxParallelism: Int)(tasks: List[sbt.testing.Task]): F[Unit] = {
     tasks.traverse { task =>
       self.framework.unsafeRun.fromFuture {
         task.asInstanceOf[AsyncTask].executeFuture(eventHandler, Array(logger))

modules/framework/js-native/src/main/scala/RunnerCompat.scala

@@ -2,6 +2,7 @@ package weaver
 package framework
 
 import java.nio.ByteBuffer
+import org.typelevel.scalaccompat.annotation.unused
 
 import scala.collection.mutable.ListBuffer
 import scala.concurrent.Future
@@ -138,7 +139,7 @@ trait RunnerCompat[F[_]] { self: sbt.testing.Runner =>
         }
       }
 
-      def finaliseError(outcomes: Ref[
+      def finaliseError(@unused outcomes: Ref[
         F,
         Chain[TestOutcome]]): Throwable => F[Unit] = { error =>
         val outcome =
@@ -177,7 +178,7 @@ trait RunnerCompat[F[_]] { self: sbt.testing.Runner =>
 }
 
 private[weaver] object ReadWriter {
-  class Reader(bytes: ByteBuffer, private var pt: Int) {
+  class Reader(bytes: ByteBuffer) {
     def readString() = {
       val stringSize = bytes.getInt()
       val ar         = new Array[Byte](stringSize)
@@ -201,7 +202,7 @@ private[weaver] object ReadWriter {
 
   def reader[A](s: String)(f: Reader => A) = {
     val buf = ByteBuffer.wrap(s.getBytes)
-    f(new Reader(buf, 0))
+    f(new Reader(buf))
   }
 
   def writer(f: Writer => Unit): String = {

modules/framework/jvm/src/main/scala/DogFoodCompat.scala

@@ -17,9 +17,8 @@ private[weaver] trait DogFoodCompat[F[_]] { self: DogFood[F] =>
       eventHandler: EventHandler,
       logger: Logger,
       maxParallelism: Int)(tasks: List[sbt.testing.Task]): F[Unit] = {
-
+    val _ = runner
     effect.void {
-      @scala.annotation.nowarn("msg=implicit numeric widening")
       val r = tasks.toVector.parTraverseN[F, Unit](maxParallelism) { task =>
         blocker.block(discard[Array[Task]](task.execute(eventHandler,
                                                         Array(logger))))

modules/framework/jvm/src/main/scala/RunnerCompat.scala

@@ -1,5 +1,6 @@
 package weaver
 package framework
+import org.typelevel.scalaccompat.annotation.unused
 
 import java.io.PrintStream
 import java.util.concurrent.ConcurrentLinkedQueue
@@ -37,7 +38,7 @@ trait RunnerCompat[F[_]] { self: sbt.testing.Runner =>
   }
 
   // Required on js
-  def receiveMessage(msg: String): Option[String] = None
+  def receiveMessage(@unused msg: String): Option[String] = None
 
   // Flag meant to be raised if build-tool call `done`
   protected val isDone: AtomicBoolean = new AtomicBoolean(false)
@@ -57,9 +58,9 @@ trait RunnerCompat[F[_]] { self: sbt.testing.Runner =>
     val stillRunning             = new AtomicInteger(0)
     val waitForResourcesShutdown = new java.util.concurrent.Semaphore(0)
 
-    val tasksAndSuites = taskDefs.toList.map { taskDef =>
-      taskDef -> suiteLoader(taskDef)
-    }.collect { case (taskDef, Some(suite)) => (taskDef, suite) }
+    val tasksAndSuites = (taskDefs.toList.mapFilter { taskDef =>
+      suiteLoader(taskDef).map(loader => (taskDef, loader))
+    })
 
     def makeTasks(
         taskDef: TaskDef,
@@ -240,7 +241,7 @@ trait RunnerCompat[F[_]] { self: sbt.testing.Runner =>
                                .productR(broker.send(TestFinished(outcome))),
                              finalizer)
         }
-      )).handleErrorWith { case scala.util.control.NonFatal(_) =>
+      )).recoverWith { case scala.util.control.NonFatal(_) =>
         effect.unit // avoid non-fatal errors propagating up
       }
     }

modules/framework/shared/src/main/scala/weaver/framework/DogFood.scala

@@ -38,7 +38,7 @@ abstract class DogFood[F[_]](
     for {
       eventHandler <- effect.delay(new MemoryEventHandler())
       logger       <- effect.delay(new MemoryLogger())
-      _ <- getTasks(suites, logger).use { case (runner, tasks) =>
+      _ <- getTasks(suites).use { case (runner, tasks) =>
         runTasks(runner, eventHandler, logger, maxParallelism)(tasks.toList)
       }
       _      <- patience.fold(effect.unit)(framework.unsafeRun.sleep)
@@ -71,8 +71,8 @@ abstract class DogFood[F[_]](
   }
 
   private def getTasks(
-      suites: Seq[Fingerprinted],
-      logger: Logger): Resource[F, (WeaverRunner[F], Array[sbt.testing.Task])] = {
+      suites: Seq[Fingerprinted]
+  ): Resource[F, (WeaverRunner[F], Array[sbt.testing.Task])] = {
     val acquire = Sync[F].delay {
       val cl = PlatformCompat.getClassLoader(this.getClass())
       framework.weaverRunner(Array(), Array(), cl, None)

modules/framework/shared/src/main/scala/weaver/framework/Fingerprints.scala

@@ -6,7 +6,6 @@ import scala.reflect.ClassTag
 import cats.effect.Sync
 
 import weaver.internals.Reflection._
-import weaver.{ EffectSuite, GlobalResourceF }
 
 import sbt.testing.{ Fingerprint, SubclassFingerprint, TaskDef }
 
@@ -59,6 +58,7 @@ abstract class WeaverFingerprints[F[_]](implicit F: Sync[F]) {
               loadModule(taskDef.fullyQualifiedName(), classLoader)
             val init = cast(module)(GlobalResourcesInitClass)
             Some(GlobalResourcesRef(init))
+          case _ => None
         }
 
     }
@@ -76,7 +76,7 @@ abstract class WeaverFingerprints[F[_]](implicit F: Sync[F]) {
   /**
    * A fingerprint that searches only for classes extending
    * [[weaver.EffectSuite]]. that have a constructor that takes a single
-   * [[weaver.GlobalResources.Read]] parameter.
+   * `weaver.GlobalResources.Read` parameter.
    */
   object ResourceSharingSuiteFingerprint extends WeaverFingerprint {
     def isModule()                         = false

modules/framework/shared/src/main/scala/weaver/framework/WeaverFramework.scala

@@ -3,8 +3,6 @@ package framework
 
 import java.io.PrintStream
 
-import weaver.{ Platform, discard }
-
 import sbt.testing.{ Framework => BaseFramework, Runner => BaseRunner, _ }
 
 class WeaverFramework[F[_]](

modules/scalacheck/shared/src/test/scala/weaver/scalacheck/CheckersConcurrencyTest.scala

@@ -9,9 +9,6 @@ import scala.concurrent.duration._
 import cats.effect.Outcome._
 import cats.effect.testkit.TestControl
 import cats.effect.{ IO, Ref }
-import cats.syntax.all._
-
-import weaver.TestStatus
 
 import org.scalacheck.Gen
 

modules/scalacheck/shared/src/test/scala/weaver/scalacheck/CheckersTest.scala

@@ -4,7 +4,6 @@ package scalacheck
 import scala.concurrent.duration._
 
 import cats.effect.IO
-import cats.syntax.all._
 
 import org.scalacheck.Gen
 

modules/scalacheck/shared/src/test/scala/weaver/scalacheck/PropertyDogFoodTest.scala

@@ -4,7 +4,6 @@ package scalacheck
 import scala.concurrent.duration._
 
 import cats.effect.{ IO, Resource }
-import cats.syntax.all._
 
 import weaver.framework._